Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
RK

Riso Kagaku — 11 Patents in 2025

Rank (2025): #2,657 of 24,478Top 15%
19 inventors
11 Patents 2025

Top Inventors at Riso Kagaku 2025

Showing 1–19 of 19 inventors

RankNamePatents
1 Masashi Hara 2
1 Yoshifumi Noguchi 2
1 Yoshiyuki Okada 2
#4 Akiko Hayashi 1
#4 Hideaki Inoue 1
#4 Hikaru Sugiura 1
#4 Hiroyuki Takeuchi 1
#4 Kenji Shimomura 1
#4 Kokoro KINOE 1
#4 Mamoru Fukuda 1
#4 Ryosuke Miyachi 1
#4 Ryosuke NISHIKAWA 1
#4 Ryuichi Shibata 1
#4 Seiichiro Nagata 1
#4 Shinsuke Ozawa 1
#4 Takahiro Abe 1
#4 Takeshi Koyama 1
#4 Tetsuya Shiraishi 1
#4 Yoshifumi Watanabe 1